Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678954 | Rotor with permanent magnets having thermal expansion gaps | Tamio Takeda, Yuji Mizutani, Jun Nakashima | 1987-07-07 |
| 4486506 | Solid insulator and electric equipment coil using the same | Susumu Kenjo, Minoru Shimahara | 1984-12-04 |